When to plant Eggplant in Calvert County, MD
Aim to plant Eggplant in Calvert County on or after April 6; the window stays open through April 27. Calvert County's 225-day frost-free season gives you enough for a full main crop and a short fall succession.
When to Plant Eggplant in Calvert County, MD
Eggplant is a heat-loving solanaceous crop that produces glossy fruits in purple, white, or striped varieties. It requires long, warm growing seasons for best production.
Calvert County, Maryland is in USDA Zone 7b. The average last spring frost is March 30 and the first fall frost is November 10, giving you a growing season of approximately 225 days.
At an elevation of 539 feet, Calvert County receives approximately 46.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Eggplant during the growing season.
Calvert County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
How Much Eggplant to Grow
For a family of 4, plant approximately 8 eggplant plants in about 16 sq ft. In Calvert County's 225-day season, you'll have plenty of time for a full harvest. Plan your garden layout →
Eggplant Planting Timeline — Calvert County, MD
Eggplant Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 26 | Jan 26 – Feb 9 |
| Transplant Outdoors | April 13 | Apr 13 – Apr 27 |
| Direct Sow | April 6 | Apr 6 – Apr 27 |
| Harvest | June 22 | Jun 22 – Aug 24 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Start Indoors |
| March | — |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
65–85 days
🧪 Soil pH
Needs 5.5–7 · Your soil: N/A
🗺️ USDA Zone
Zone 7b
📆 Growing Season
225 days in Calvert County
Growing Tips for Calvert County
Start seeds indoors 8-10 weeks before last frost. Transplant only after nighttime temperatures stay above 55F. Mulch to retain moisture and warmth around roots.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Eggplant in Other Locations
Frequently Asked Questions
When should I plant Eggplant in Calvert County, MD?
Calvert County is in Zone 7b with an average last frost of March 30. Plan your Eggplant planting based on this frost date — see the calendar above for exact timing.
What planting zone is Calvert County, MD?
Calvert County, Maryland is in USDA Hardiness Zone 7b. The average last spring frost is March 30 and first fall frost is November 10.
When should I plant Eggplant in Calvert County, MD?
In Calvert County, MD, plant Eggplant after the last frost (around March 30) and before the first frost (around November 10). Best results when soil holds above 50°F.
What growing zone is Calvert County, MD for Eggplant?
Calvert County sits in USDA Zone 7b. Eggplant grows reliably in zones 5a through 11b, so it's a good fit here.
Can Eggplant grow in Calvert County's climate?
Yes — Eggplant grows well in Calvert County's temperate climate. Calvert County averages a 225-day frost-free season, with last frost around March 30 and first frost around November 10.
Your Calvert County Garden Planner — Free
A 22-page printable planner built for Calvert County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.